:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #5f5c55;
  --line: #e6e3dc;
  --accent: #2f6b4f;
  --accent-soft: #e5f0ea;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --surface: #1c1c19;
    --text: #ecebe6;
    --muted: #a6a39b;
    --line: #2e2d29;
    --accent: #7cc4a0;
    --accent-soft: #1f2e27;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-inline: 20px;
}
.wrap { max-width: 760px; margin: 0 auto; }
header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; padding-block: 22px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: .95rem; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
main { padding-block: 48px 64px; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 1.35rem; margin: 44px 0 10px; }
h3 { font-size: 1.05rem; margin: 26px 0 6px; }
p, li { color: var(--text); }
.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 32px; }
a { color: var(--accent); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin: 28px 0; padding: 0; list-style: none; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.features strong { display: block; margin-bottom: 4px; }
.features span { color: var(--muted); font-size: .95rem; }
.callout { background: var(--accent-soft); border-radius: 12px; padding: 18px 20px; margin: 28px 0; }
.callout p { margin: 0; }
.meta { color: var(--muted); font-size: .95rem; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.table-scroll { overflow-x: auto; margin: 16px 0; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
code { font-size: .9em; background: var(--surface); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; }
footer.site { border-top: 1px solid var(--line); padding-block: 24px 40px; color: var(--muted); font-size: .9rem; }
footer.site a { color: var(--muted); margin-right: 16px; }